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<a href="timed__concurrent__task__loop_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/* Flow</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment"> * Copyright 2023 Akamai Technologies, Inc.</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment"> *</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment"> * Licensed under the Apache License, Version 2.0 (the</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment"> * &quot;License&quot;); you may not use this file except in</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment"> * compliance with the License.  You may obtain a copy</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment"> * of the License at</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment"> *</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment"> *   https://www.apache.org/licenses/LICENSE-2.0</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment"> *</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment"> * Unless required by applicable law or agreed to in</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment"> * writing, software distributed under the License is</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment"> * distributed on an &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment"> * CONDITIONS OF ANY KIND, either express or implied.</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment"> * See the License for the specific language governing</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment"> * permissions and limitations under the License. */</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="comment"></span> </div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="comment">/// @file</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="comment"></span><span class="preprocessor">#pragma once</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span> </div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="preprocessor">#include &quot;<a class="code" href="async__fwd_8hpp.html">flow/async/async_fwd.hpp</a>&quot;</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="preprocessor">#include &quot;<a class="code" href="concurrent__task__loop_8hpp.html">flow/async/concurrent_task_loop.hpp</a>&quot;</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="preprocessor">#include &quot;<a class="code" href="timed__handler_8hpp.html">flow/perf/timed_handler.hpp</a>&quot;</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="preprocessor">#include &lt;atomic&gt;</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span> </div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceflow_1_1async.html">flow::async</a></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span>{</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span> </div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span><span class="comment">// Types.</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span><span class="comment"></span> </div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="comment">/**</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span><span class="comment"> * Decorator of a Concurrent_task_loop with same or greater lifetime that accumulates time elapsed in any tasks posted</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="comment"> * or scheduled onto that loop.  While this class template is publicly available, most likely the user shall choose</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span><span class="comment"> * one of 2 related classes:</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span><span class="comment"> *   - Timed_concurrent_task_loop: This is essentially an alias of `Timed_concurrent_task_loop_impl&lt;T&gt;`, where `T` is</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span><span class="comment"> *     an `atomic` suitable for accumulating times from tasks executing across a multi-thread pool.</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span><span class="comment"> *     Use this if you have a general Concurrent_task_loop (of whatever actual non-abstract type) which may</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span><span class="comment"> *     at times use multiple threads.  In other words use it if you want a Concurrent_task_loop... but timed.</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span><span class="comment"> *   - Timed_single_thread_task_loop: This is a refinement (subclass) of Single_thread_task_loop.</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span><span class="comment"> *     Internally it uses a `Timed_concurrent_task_loop&lt;perf::duration_rep_t&gt;`, since no `atomic` is needed with</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span><span class="comment"> *     only 1 thread of execution.  In other words use it if you want a Single_thread_task_loop... but timed.</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span><span class="comment"> *</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span><span class="comment"> * @see Timed_concurrent_task_loop doc header for instructions/synopsis of timing functionality.</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span><span class="comment"> *</span></div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span><span class="comment"> * @tparam Time_accumulator</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span><span class="comment"> *         As of this writing this should be either perf::duration_rep_t; or `atomic&lt;perf::duration_rep_t&gt;`,</span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span><span class="comment"> *         depending on whether the `Timed_*_loop` that uses this template instance is guaranteed to be</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span><span class="comment"> *         single-threaded or potentially a multi-thread pool.</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span><span class="comment"> */</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Time_accumulator&gt;</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html">   51</a></span><span class="keyword">class </span><a class="code hl_class" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html">Timed_concurrent_task_loop_impl</a> : <span class="keyword">public</span> <a class="code hl_class" href="classflow_1_1async_1_1Concurrent__task__loop.html">Concurrent_task_loop</a></div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span>{</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span>  <span class="comment">// Types.</span></div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span><span class="comment"></span> </div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span><span class="comment">  /// Short-hand for the exhanger function taken by the ctor.</span></div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a881d40bcfea87884f6f5e9ee4a90c578">   57</a></span><span class="comment"></span>  <span class="keyword">using </span><a class="code hl_class" href="classflow_1_1Function.html">Exchanger_func</a> = <a class="code hl_class" href="classflow_1_1Function.html">Function</a>&lt;<a class="code hl_typedef" href="namespaceflow_1_1perf.html#a75b06c669e720c60621f3c68c3d34408">perf::duration_rep_t</a> (Time_accumulator*)&gt;;</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span> </div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span>  <span class="comment">// Constructors/destructor.</span></div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span><span class="comment"></span> </div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span><span class="comment">   * Constructs a time-accumulating version of existing loop `*loop`.  `*loop` must exist at least until</span></div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span><span class="comment">   * `*this` is destroyed.</span></div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span><span class="comment">   *</span></div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span><span class="comment">   * @param clock_type</span></div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span><span class="comment">   *        See timed_function().  Use a perf::Clock_type that tracks thread time, not process time, typically.</span></div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span><span class="comment">   *        That said, in single-thread loops without competing concurrent work on the same machine,</span></div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span><span class="comment">   *        more precise non-per-thread clocks may be suitable (it is a trade-off).</span></div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span><span class="comment">   * @param loop</span></div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span><span class="comment">   *        The loop object being decorated with timing functionality.</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span><span class="comment">   * @param exchanger_func_moved</span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span><span class="comment">   *        If `A` is a `Time_accumulator`, then `exchanger_func_moved()` must return</span></div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span><span class="comment">   *        the perf::duration_rep_t currently stored in `A` and -- as atomically as possible --</span></div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span><span class="comment">   *        store `0` in `A` before returning that.  More specifically, if `Time_accumulator` is an `atomic`,</span></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span><span class="comment">   *        then use `.exchange(0)`; if it&#39;s simply perf::duration_rep_t, then it can save the value, set it to 0,</span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span><span class="comment">   *        then return the saved thing (as concurrency is not a concern).</span></div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span><span class="comment">   */</span></div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#aedbd4d34c2bdd56fdcf93ed43c714f70">   78</a></span>  <span class="keyword">explicit</span> <a class="code hl_function" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#aedbd4d34c2bdd56fdcf93ed43c714f70">Timed_concurrent_task_loop_impl</a>(<a class="code hl_class" href="classflow_1_1async_1_1Concurrent__task__loop.html">Concurrent_task_loop</a>* loop, <a class="code hl_enumeration" href="namespaceflow_1_1perf.html#ad61fb186191e4bb824d14601d11a2eb0">perf::Clock_type</a> clock_type,</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span>                                           <a class="code hl_class" href="classflow_1_1Function.html">Exchanger_func</a>&amp;&amp; exchanger_func_moved);</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span> </div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span>  <span class="comment">// Methods.</span></div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span><span class="comment"></span> </div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span><span class="comment">   * Implements superclass API.</span></div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span><span class="comment">   * @param init_task_or_empty</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span><span class="comment">   *        See superclass API.</span></div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span><span class="comment">   * @param thread_init_func_or_empty</span></div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span><span class="comment">   *        See superclass API.</span></div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span><span class="comment">   */</span></div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a6659220efe57750c9d8cd8e185d3299a">   90</a></span>  <span class="keywordtype">void</span> <a class="code hl_function" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a6659220efe57750c9d8cd8e185d3299a">start</a>(<a class="code hl_class" href="classflow_1_1Function.html">Task</a>&amp;&amp; init_task_or_empty = <a class="code hl_typedef" href="namespaceflow_1_1async.html#af35fb65bdea1a3a92929ec2c4a6a6b72">Task</a>(),</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span>             <span class="keyword">const</span> <a class="code hl_class" href="classflow_1_1Function.html">Thread_init_func</a>&amp; thread_init_func_or_empty = <a class="code hl_typedef" href="classflow_1_1async_1_1Concurrent__task__loop.html#aa164fb1fe1b3d7fce0de0174d77ea396">Thread_init_func</a>()) <span class="keyword">override</span>;</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span><span class="comment"></span> </div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span><span class="comment">  /// Implements superclass API.</span></div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#ad0ee24a26236098dfd67b68da120ff69">   94</a></span><span class="comment"></span>  <span class="keywordtype">void</span> <a class="code hl_function" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#ad0ee24a26236098dfd67b68da120ff69">stop</a>() <span class="keyword">override</span>;</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span><span class="comment"></span> </div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span><span class="comment">   * Implements superclass API.</span></div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span><span class="comment">   * @return See superclass API.</span></div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span><span class="comment">   */</span></div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a2138f93d5fd11407973a7b7b13ca7353">  100</a></span>  <span class="keywordtype">size_t</span> <a class="code hl_function" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a2138f93d5fd11407973a7b7b13ca7353">n_threads</a>() <span class="keyword">const override</span>;</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span><span class="comment"></span> </div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span><span class="comment">   * Implements superclass API.</span></div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span><span class="comment">   * @return See superclass API.</span></div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span><span class="comment">   */</span></div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a8dd2594499859628be0ed997b5ca4643">  106</a></span>  <a class="code hl_typedef" href="namespaceflow_1_1async.html#a024042c64b7dc544a7a5587afa4b1949">Op</a> <a class="code hl_function" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a8dd2594499859628be0ed997b5ca4643">create_op</a>() <span class="keyword">override</span>;</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span><span class="comment"></span> </div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span><span class="comment">   * Implements superclass API.</span></div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span><span class="comment">   * @return See superclass API.</span></div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span><span class="comment">   */</span></div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a9c2676395574264b88a4c1f3b7b64b6e">  112</a></span>  <span class="keyword">const</span> <a class="code hl_class" href="classflow_1_1async_1_1Op__list.html">Op_list</a>&amp; <a class="code hl_function" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a9c2676395574264b88a4c1f3b7b64b6e">per_thread_ops</a>() <span class="keyword">override</span>;</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span><span class="comment"></span> </div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span><span class="comment">   * Implements superclass API.  In this implementation: `task` will execute as soon as a thread is available, because</span></div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span><span class="comment">   * no other applicable work is forthcoming.</span></div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span><span class="comment">   *</span></div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span><span class="comment">   * @param task</span></div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span><span class="comment">   *        See superclass API.</span></div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span><span class="comment">   * @param synchronicity</span></div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span><span class="comment">   *        See superclass API.</span></div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span><span class="comment">   */</span></div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#adb9a4a09e821aad135cfa1f493624630">  123</a></span>  <span class="keywordtype">void</span> <a class="code hl_function" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#adb9a4a09e821aad135cfa1f493624630">post</a>(<a class="code hl_class" href="classflow_1_1Function.html">Task</a>&amp;&amp; task, <a class="code hl_enumeration" href="namespaceflow_1_1async.html#a0a06794b16b72f2829ce3353557c8485">Synchronicity</a> synchronicity = <a class="code hl_enumvalue" href="namespaceflow_1_1async.html#a0a06794b16b72f2829ce3353557c8485a4d7a5700444c0570af37b1f9bcc6eb1f">Synchronicity::S_ASYNC</a>) <span class="keyword">override</span>;</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span><span class="comment"></span> </div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span><span class="comment">   * Implements superclass API.</span></div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span><span class="comment">   *</span></div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span><span class="comment">   * In this implementation: `task` will execute as soon as a thread is available, because</span></div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span><span class="comment">   * no other applicable work is forthcoming, plus one more constraint: It will not allow `task` to execute concurrently</span></div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span><span class="comment">   * to any other `Task` also associated with `op`.  The latter is accomplished on account of</span></div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span><span class="comment">   * `Op` internally being associated with a util::Strand.</span></div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span><span class="comment">   *</span></div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span><span class="comment">   * @param op</span></div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span><span class="comment">   *        See superclass API.</span></div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span><span class="comment">   * @param task</span></div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span><span class="comment">   *        See superclass API.</span></div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span><span class="comment">   * @param synchronicity</span></div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span><span class="comment">   *        See superclass API.</span></div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span><span class="comment">   */</span></div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a3ac438177671657e14f0fce378bce445">  140</a></span>  <span class="keywordtype">void</span> <a class="code hl_function" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a3ac438177671657e14f0fce378bce445">post</a>(<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceflow_1_1async.html#a024042c64b7dc544a7a5587afa4b1949">Op</a>&amp; op, <a class="code hl_class" href="classflow_1_1Function.html">Task</a>&amp;&amp; task, <a class="code hl_enumeration" href="namespaceflow_1_1async.html#a0a06794b16b72f2829ce3353557c8485">Synchronicity</a> synchronicity = <a class="code hl_enumvalue" href="namespaceflow_1_1async.html#a0a06794b16b72f2829ce3353557c8485a4d7a5700444c0570af37b1f9bcc6eb1f">Synchronicity::S_ASYNC</a>) <span class="keyword">override</span>;</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span><span class="comment"></span> </div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span><span class="comment">   * Implements superclass API.</span></div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span><span class="comment">   * @param from_now</span></div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span><span class="comment">   *        See superclass API.</span></div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span><span class="comment">   * @param task</span></div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span><span class="comment">   *        See superclass API.</span></div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span><span class="comment">   * @return See superclass API.</span></div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span><span class="comment">   */</span></div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a79b1d2f2b5bf4fdf16e7701fe3bb44d1">  150</a></span>  <a class="code hl_typedef" href="namespaceflow_1_1util.html#aa0d10f5a906b3229f48979aa43e9ff7e">util::Scheduled_task_handle</a> <a class="code hl_function" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a79b1d2f2b5bf4fdf16e7701fe3bb44d1">schedule_from_now</a>(<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceflow.html#a48799f1263cdeedec125be51a3db2b79">Fine_duration</a>&amp; from_now, <a class="code hl_class" href="classflow_1_1Function.html">Scheduled_task</a>&amp;&amp; task) <span class="keyword">override</span>;</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span><span class="comment"></span> </div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span><span class="comment">   * Implements superclass API.</span></div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span><span class="comment">   * @param at</span></div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span><span class="comment">   *        See superclass API.</span></div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span><span class="comment">   * @param task</span></div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span><span class="comment">   *        See superclass API.</span></div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span><span class="comment">   * @return See superclass API.</span></div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span><span class="comment">   */</span></div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a2c3566acb42c14ce7fe31026a711a30b">  160</a></span>  <a class="code hl_typedef" href="namespaceflow_1_1util.html#aa0d10f5a906b3229f48979aa43e9ff7e">util::Scheduled_task_handle</a> <a class="code hl_function" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a2c3566acb42c14ce7fe31026a711a30b">schedule_at</a>(<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceflow.html#a9d9cc2eeb10d398cff5591d446b763b8">Fine_time_pt</a>&amp; at, <a class="code hl_class" href="classflow_1_1Function.html">Scheduled_task</a>&amp;&amp; task) <span class="keyword">override</span>;</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span><span class="comment"></span> </div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span><span class="comment">   * Implements superclass API.</span></div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span><span class="comment">   * @param op</span></div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span><span class="comment">   *        See superclass API.</span></div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span><span class="comment">   * @param from_now</span></div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span><span class="comment">   *        See superclass API.</span></div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span><span class="comment">   * @param task</span></div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span><span class="comment">   *        See superclass API.</span></div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span><span class="comment">   * @return See superclass API.</span></div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span><span class="comment">   */</span></div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#ae0b5365734728eff8c995510a91b36be">  172</a></span>  <a class="code hl_typedef" href="namespaceflow_1_1util.html#aa0d10f5a906b3229f48979aa43e9ff7e">util::Scheduled_task_handle</a> <a class="code hl_function" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#ae0b5365734728eff8c995510a91b36be">schedule_from_now</a>(<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceflow_1_1async.html#a024042c64b7dc544a7a5587afa4b1949">Op</a>&amp; op,</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span>                                                <span class="keyword">const</span> <a class="code hl_typedef" href="namespaceflow.html#a48799f1263cdeedec125be51a3db2b79">Fine_duration</a>&amp; from_now, <a class="code hl_class" href="classflow_1_1Function.html">Scheduled_task</a>&amp;&amp; task) <span class="keyword">override</span>;</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span><span class="comment"></span> </div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span><span class="comment">   * See superclass API.</span></div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span><span class="comment">   * @param op</span></div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span><span class="comment">   *        See superclass API.</span></div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno">  179</span><span class="comment">   * @param at</span></div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span><span class="comment">   *        See superclass API.</span></div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span><span class="comment">   * @param task</span></div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno">  182</span><span class="comment">   *        See superclass API.</span></div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno">  183</span><span class="comment">   * @return See superclass API.</span></div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno">  184</span><span class="comment">   */</span></div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a7d6b084d36b2bd119d73486be13fcf99">  185</a></span>  <a class="code hl_typedef" href="namespaceflow_1_1util.html#aa0d10f5a906b3229f48979aa43e9ff7e">util::Scheduled_task_handle</a> <a class="code hl_function" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a7d6b084d36b2bd119d73486be13fcf99">schedule_at</a>(<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceflow_1_1async.html#a024042c64b7dc544a7a5587afa4b1949">Op</a>&amp; op,</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span>                                          <span class="keyword">const</span> <a class="code hl_typedef" href="namespaceflow.html#a9d9cc2eeb10d398cff5591d446b763b8">Fine_time_pt</a>&amp; at, <a class="code hl_class" href="classflow_1_1Function.html">Scheduled_task</a>&amp;&amp; task) <span class="keyword">override</span>;</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno">  187</span><span class="comment"></span> </div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span><span class="comment">   * See superclass API.</span></div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span><span class="comment">   * @return See superclass API.</span></div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno">  191</span><span class="comment">   */</span></div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#ab5864fb0f46b84d5783ad194796c25f5">  192</a></span>  <a class="code hl_typedef" href="namespaceflow_1_1async.html#a968806f54b14c697fd76b3339a2bdbbf">Task_engine_ptr</a> <a class="code hl_function" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#ab5864fb0f46b84d5783ad194796c25f5">task_engine</a>() <span class="keyword">override</span>;</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno">  193</span><span class="comment"></span> </div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno">  194</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span><span class="comment">   * Returns the accumulated time spent on tasks this thread pool handles since its last invocation; and reset the</span></div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno">  196</span><span class="comment">   * accumulated time.</span></div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno">  197</span><span class="comment">   *</span></div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno">  198</span><span class="comment">   * @see Constructor which controls the behavior of the timing.</span></div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno">  199</span><span class="comment">   *</span></div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno">  200</span><span class="comment">   * @return See above.</span></div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno">  201</span><span class="comment">   */</span></div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a45c91b87a9906781479e2387f2f93573">  202</a></span>  <a class="code hl_typedef" href="namespaceflow_1_1perf.html#a38e42ae0923eb23052e3a8a1e7956456">perf::Duration</a> <a class="code hl_function" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a45c91b87a9906781479e2387f2f93573">accumulated_time</a>();</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span><span class="comment"></span> </div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno">  204</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span><span class="comment">   * Given a boost.asio *completion handler* `handler` for a boost.asio `async_*()` action on some boost.asio I/O</span></div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno">  206</span><span class="comment">   * object to be initiated in the immediate near future, returns a wrapped handler with the same signature</span></div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno">  207</span><span class="comment">   * to be passed as the handler arg to that `async_*()` action, so that `handler()` will be properly timed.</span></div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span><span class="comment">   *</span></div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno">  209</span><span class="comment">   * The mechanics of using this are explained in the class doc header.  Using this in any other</span></div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span><span class="comment">   * fashion leads to undefined behavior.</span></div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno">  211</span><span class="comment">   *</span></div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno">  212</span><span class="comment">   * @tparam Handler</span></div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno">  213</span><span class="comment">   *         See asio_handler_via_op(): same here.</span></div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno">  214</span><span class="comment">   * @param handler_moved</span></div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span><span class="comment">   *        Completion handler for the boost.asio `async_*()` operation to be initiated soon.</span></div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno">  216</span><span class="comment">   *        It may be `move`d and saved.</span></div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno">  217</span><span class="comment">   * @return A completion handler that will act as `handler()` but with the addition of timing as</span></div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno">  218</span><span class="comment">   *         returned by accumulated_time().</span></div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno">  219</span><span class="comment">   */</span></div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno">  220</span>  <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Handler&gt;</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a9e915ee364537114a9e2f50574d960b7">  221</a></span>  <span class="keyword">auto</span> <a class="code hl_function" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a9e915ee364537114a9e2f50574d960b7">asio_handler_timed</a>(Handler&amp;&amp; handler_moved);</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno">  222</span> </div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno">  224</span>  <span class="comment">// Data.</span></div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span><span class="comment"></span> </div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno">  226</span><span class="comment">  /// See constructor.</span></div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a2296c02f66d6d49dcf8ed19cb3e68803">  227</a></span><span class="comment"></span>  <span class="keyword">const</span> <a class="code hl_enumeration" href="namespaceflow_1_1perf.html#ad61fb186191e4bb824d14601d11a2eb0">flow::perf::Clock_type</a> <a class="code hl_variable" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a2296c02f66d6d49dcf8ed19cb3e68803">m_clock_type</a>;</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno">  228</span><span class="comment"></span> </div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno">  229</span><span class="comment">  /// See constructor.</span></div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a0b2bafdbd93df6beff37e10534487e23">  230</a></span><span class="comment"></span>  <a class="code hl_class" href="classflow_1_1async_1_1Concurrent__task__loop.html">Concurrent_task_loop</a>* <span class="keyword">const</span> <a class="code hl_variable" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a0b2bafdbd93df6beff37e10534487e23">m_loop</a>;</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno">  231</span><span class="comment"></span> </div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno">  232</span><span class="comment">  /// See constructor.</span></div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a1f4dacf3f29653acfcef44a6f3f9845a">  233</a></span><span class="comment"></span>  <span class="keyword">const</span> <a class="code hl_class" href="classflow_1_1Function.html">Exchanger_func</a> <a class="code hl_variable" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a1f4dacf3f29653acfcef44a6f3f9845a">m_exhanger_func</a>;</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno">  234</span><span class="comment"></span> </div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno">  235</span><span class="comment">  /// Accumulates time ticks, of clock type #m_clock_type, spent in tasks posted onto #m_loop.</span></div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a55aa9c680221d64b44715256713a5bee">  236</a></span><span class="comment"></span>  Time_accumulator <a class="code hl_variable" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a55aa9c680221d64b44715256713a5bee">m_time_accumulator</a>;</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno">  237</span>}; <span class="comment">// class Timed_concurrent_task_loop_impl</span></div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno">  238</span><span class="comment"></span> </div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno">  239</span><span class="comment">/**</span></div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno">  240</span><span class="comment"> * Decorates a general -- potentially multi-threaded -- Concurrent_task_loop of any kind but with timing capabilities.</span></div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno">  241</span><span class="comment"> *</span></div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno">  242</span><span class="comment"> * Using one of these is identical to using the underlying Concurrent_task_loop; except that after constructing it</span></div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno">  243</span><span class="comment"> * it must be passed to this class&#39;s ctor.  From that point on, `*this` is identical to that underlying loop object,</span></div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno">  244</span><span class="comment"> * except that all relevant handlers posted onto it will be timed.  One can then access the result (and reset the</span></div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno">  245</span><span class="comment"> * accumulator to zero) simply by calling accumulated_time().</span></div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno">  246</span><span class="comment"> *</span></div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno">  247</span><span class="comment"> * The following tasks shall be timed, with results accessible via accumulated_time():</span></div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno">  248</span><span class="comment"> *   - Anything posted via post().</span></div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno">  249</span><span class="comment"> *   - Anything scheduled via `schedule_task_*()`.</span></div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno">  250</span><span class="comment"> *   - Anything invoked directly through a boost.asio `async_*()` API, as long as:</span></div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno">  251</span><span class="comment"> *     - either it is wrapped via asio_handler_via_op() (to execute through an async::Op);</span></div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno">  252</span><span class="comment"> *     - or it is wrapped via asio_handler_timed() (otherwise).</span></div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno">  253</span><span class="comment"> *</span></div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno">  254</span><span class="comment"> * @warning Unfortunately, any &quot;naked&quot; handler passed to a boost.asio async procedure will not be timed;</span></div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno">  255</span><span class="comment"> *          so don&#39;t forget to use a wrapper (presumably asio_handler_timed()).</span></div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno">  256</span><span class="comment"> *          The key point: 3/4 posting techniques listed above are identical in use to general use of</span></div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno">  257</span><span class="comment"> *          Concurrent_task_loop as explained in that class&#39;s doc header.  The exception is the need to</span></div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno">  258</span><span class="comment"> *          use asio_handler_timed() when dealing with &quot;naked&quot; boost.asio handlers (the last bullet point above).</span></div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno">  259</span><span class="comment"> */</span></div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop.html">  260</a></span><span class="keyword">class </span><a class="code hl_class" href="classflow_1_1async_1_1Timed__concurrent__task__loop.html">Timed_concurrent_task_loop</a> : <span class="keyword">public</span> <a class="code hl_class" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html">Timed_concurrent_task_loop_impl</a>&lt;std::atomic&lt;perf::duration_rep_t&gt;&gt;</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno">  261</span>{</div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno">  262</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno">  263</span>  <span class="comment">// Constructors/destructor.</span></div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno">  264</span><span class="comment"></span> </div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno">  265</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno">  266</span><span class="comment">   * Constructs a time-accumulating version of existing loop `*loop`.  `*loop` must exist at least until</span></div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno">  267</span><span class="comment">   * `*this` is destroyed.</span></div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno">  268</span><span class="comment">   *</span></div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno">  269</span><span class="comment">   * @param clock_type</span></div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno">  270</span><span class="comment">   *        See Timed_concurrent_task_loop_impl ctor.</span></div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno">  271</span><span class="comment">   * @param loop</span></div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno">  272</span><span class="comment">   *        See Timed_concurrent_task_loop_impl ctor.</span></div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno">  273</span><span class="comment">   */</span></div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno">  274</span>  <span class="keyword">explicit</span> <a class="code hl_function" href="classflow_1_1async_1_1Timed__concurrent__task__loop.html#a38f7effbd882c15178dc821306e8a0bc">Timed_concurrent_task_loop</a>(<a class="code hl_class" href="classflow_1_1async_1_1Concurrent__task__loop.html">Concurrent_task_loop</a>* loop,</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno">  275</span>                                      <a class="code hl_enumeration" href="namespaceflow_1_1perf.html#ad61fb186191e4bb824d14601d11a2eb0">perf::Clock_type</a> clock_type = <a class="code hl_enumvalue" href="namespaceflow_1_1perf.html#ad61fb186191e4bb824d14601d11a2eb0a93867c73fb6ef991268c0052153344c2">perf::Clock_type::S_CPU_THREAD_TOTAL_HI_RES</a>);</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno">  276</span> </div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno">  277</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno">  278</span>  <span class="comment">// Types.</span></div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno">  279</span><span class="comment"></span> </div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno">  280</span><span class="comment">  /// Convenience alias to our thread-safe tick accumulator type.</span></div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop.html#a979755c94c0f080fb40d23a61c1a0049">  281</a></span><span class="comment"></span>  <span class="keyword">using </span><a class="code hl_typedef" href="classflow_1_1async_1_1Timed__concurrent__task__loop.html#a979755c94c0f080fb40d23a61c1a0049">Time_accumulator</a> = std::atomic&lt;perf::duration_rep_t&gt;;</div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno">  282</span><span class="comment"></span> </div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno">  283</span><span class="comment">  /// Convenience alias to our superclass.</span></div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop.html#ad34870743d0be56745d8213570642faa">  284</a></span><span class="comment"></span>  <span class="keyword">using </span><a class="code hl_class" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html">Impl</a> = <a class="code hl_class" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html">Timed_concurrent_task_loop_impl&lt;Time_accumulator&gt;</a>;</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno">  285</span>}; <span class="comment">// class Timed_concurrent_task_loop</span></div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno">  286</span> </div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno">  287</span><span class="comment">// Template implementations.</span></div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno">  288</span> </div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno">  289</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Time_accumulator&gt;</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#aedbd4d34c2bdd56fdcf93ed43c714f70">  290</a></span><a class="code hl_function" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#aedbd4d34c2bdd56fdcf93ed43c714f70">Timed_concurrent_task_loop_impl&lt;Time_accumulator&gt;::Timed_concurrent_task_loop_impl</a></div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno">  291</span>  (<a class="code hl_class" href="classflow_1_1async_1_1Concurrent__task__loop.html">Concurrent_task_loop</a>* loop, <a class="code hl_enumeration" href="namespaceflow_1_1perf.html#ad61fb186191e4bb824d14601d11a2eb0">perf::Clock_type</a> clock_type, <a class="code hl_class" href="classflow_1_1Function.html">Exchanger_func</a>&amp;&amp; exchanger_func_moved) :</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno">  292</span>  m_clock_type(clock_type),</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno">  293</span>  m_loop(loop),</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno">  294</span>  m_exhanger_func(std::move(exchanger_func_moved)),</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno">  295</span>  m_time_accumulator(0)</div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno">  296</span>{</div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno">  297</span>  <span class="comment">// That&#39;s it.</span></div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno">  298</span>}</div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno">  299</span> </div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno">  300</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Time_accumulator&gt;</div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a6659220efe57750c9d8cd8e185d3299a">  301</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a6659220efe57750c9d8cd8e185d3299a">Timed_concurrent_task_loop_impl&lt;Time_accumulator&gt;::start</a></div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno">  302</span>       (<a class="code hl_class" href="classflow_1_1Function.html">Task</a>&amp;&amp; init_task_or_empty, <span class="keyword">const</span> <a class="code hl_class" href="classflow_1_1Function.html">Thread_init_func</a>&amp; thread_init_func_or_empty)</div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno">  303</span>{</div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno">  304</span>  m_loop-&gt;start(std::move(init_task_or_empty), thread_init_func_or_empty);</div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno">  305</span>}</div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno">  306</span> </div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno">  307</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Time_accumulator&gt;</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#ad0ee24a26236098dfd67b68da120ff69">  308</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#ad0ee24a26236098dfd67b68da120ff69">Timed_concurrent_task_loop_impl&lt;Time_accumulator&gt;::stop</a>()</div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno">  309</span>{</div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno">  310</span>  m_loop-&gt;stop();</div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno">  311</span>}</div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno">  312</span> </div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno">  313</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Time_accumulator&gt;</div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a2138f93d5fd11407973a7b7b13ca7353">  314</a></span><span class="keywordtype">size_t</span> <a class="code hl_function" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a2138f93d5fd11407973a7b7b13ca7353">Timed_concurrent_task_loop_impl&lt;Time_accumulator&gt;::n_threads</a>()<span class="keyword"> const</span></div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno">  315</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno">  316</span>  <span class="keywordflow">return</span> m_loop-&gt;n_threads();</div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno">  317</span>}</div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno">  318</span> </div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno">  319</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Time_accumulator&gt;</div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a8dd2594499859628be0ed997b5ca4643">  320</a></span><a class="code hl_typedef" href="namespaceflow_1_1async.html#a024042c64b7dc544a7a5587afa4b1949">Op</a> <a class="code hl_function" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a8dd2594499859628be0ed997b5ca4643">Timed_concurrent_task_loop_impl&lt;Time_accumulator&gt;::create_op</a>()</div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno">  321</span>{</div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno">  322</span>  <span class="keywordflow">return</span> m_loop-&gt;create_op();</div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno">  323</span>}</div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno">  324</span> </div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno">  325</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Time_accumulator&gt;</div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a9c2676395574264b88a4c1f3b7b64b6e">  326</a></span><span class="keyword">const</span> <a class="code hl_class" href="classflow_1_1async_1_1Op__list.html">Op_list</a>&amp; <a class="code hl_function" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a9c2676395574264b88a4c1f3b7b64b6e">Timed_concurrent_task_loop_impl&lt;Time_accumulator&gt;::per_thread_ops</a>()</div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno">  327</span>{</div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno">  328</span>  <span class="keywordflow">return</span> m_loop-&gt;per_thread_ops();</div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno">  329</span>}</div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno">  330</span> </div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno">  331</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Time_accumulator&gt;</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#adb9a4a09e821aad135cfa1f493624630">  332</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#adb9a4a09e821aad135cfa1f493624630">Timed_concurrent_task_loop_impl&lt;Time_accumulator&gt;::post</a>(<a class="code hl_class" href="classflow_1_1Function.html">Task</a>&amp;&amp; task, <a class="code hl_enumeration" href="namespaceflow_1_1async.html#a0a06794b16b72f2829ce3353557c8485">Synchronicity</a> synchronicity)</div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno">  333</span>{</div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno">  334</span>  m_loop-&gt;post(<a class="code hl_function" href="namespaceflow_1_1perf.html#a0dee22ec7bf250bbbf556a7e15c1f784">perf::timed_function</a>(m_clock_type, &amp;m_time_accumulator, std::move(task)),</div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno">  335</span>               synchronicity);</div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno">  336</span>}</div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno">  337</span> </div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno">  338</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Time_accumulator&gt;</div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a3ac438177671657e14f0fce378bce445">  339</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#adb9a4a09e821aad135cfa1f493624630">Timed_concurrent_task_loop_impl&lt;Time_accumulator&gt;::post</a>(<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceflow_1_1async.html#a024042c64b7dc544a7a5587afa4b1949">Op</a>&amp; op, <a class="code hl_class" href="classflow_1_1Function.html">Task</a>&amp;&amp; task, <a class="code hl_enumeration" href="namespaceflow_1_1async.html#a0a06794b16b72f2829ce3353557c8485">Synchronicity</a> synchronicity)</div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno">  340</span>{</div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno">  341</span>  m_loop-&gt;post(op,</div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno">  342</span>               <a class="code hl_function" href="namespaceflow_1_1perf.html#a0dee22ec7bf250bbbf556a7e15c1f784">perf::timed_function</a>(m_clock_type, &amp;m_time_accumulator, std::move(task)),</div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno">  343</span>               synchronicity);</div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno">  344</span>}</div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno">  345</span> </div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno">  346</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Time_accumulator&gt;</div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a79b1d2f2b5bf4fdf16e7701fe3bb44d1">  347</a></span><a class="code hl_typedef" href="namespaceflow_1_1util.html#aa0d10f5a906b3229f48979aa43e9ff7e">util::Scheduled_task_handle</a> <a class="code hl_function" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a79b1d2f2b5bf4fdf16e7701fe3bb44d1">Timed_concurrent_task_loop_impl&lt;Time_accumulator&gt;::schedule_from_now</a></div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno">  348</span>                              (<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceflow.html#a48799f1263cdeedec125be51a3db2b79">Fine_duration</a>&amp; from_now, <a class="code hl_class" href="classflow_1_1Function.html">Scheduled_task</a>&amp;&amp; task)</div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno">  349</span>{</div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno">  350</span>  <span class="keywordflow">return</span> m_loop-&gt;schedule_from_now(from_now,</div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno">  351</span>                                   <a class="code hl_function" href="namespaceflow_1_1perf.html#a0dee22ec7bf250bbbf556a7e15c1f784">perf::timed_function</a>(m_clock_type, &amp;m_time_accumulator, std::move(task)));</div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno">  352</span>}</div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno">  353</span> </div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno">  354</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Time_accumulator&gt;</div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a2c3566acb42c14ce7fe31026a711a30b">  355</a></span><a class="code hl_typedef" href="namespaceflow_1_1util.html#aa0d10f5a906b3229f48979aa43e9ff7e">util::Scheduled_task_handle</a> <a class="code hl_function" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a2c3566acb42c14ce7fe31026a711a30b">Timed_concurrent_task_loop_impl&lt;Time_accumulator&gt;::schedule_at</a></div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno">  356</span>                              (<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceflow.html#a9d9cc2eeb10d398cff5591d446b763b8">Fine_time_pt</a>&amp; at, <a class="code hl_class" href="classflow_1_1Function.html">Scheduled_task</a>&amp;&amp; task)</div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno">  357</span>{</div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno">  358</span>  <span class="keywordflow">return</span> m_loop-&gt;schedule_at(at,</div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno">  359</span>                             <a class="code hl_function" href="namespaceflow_1_1perf.html#a0dee22ec7bf250bbbf556a7e15c1f784">perf::timed_function</a>(m_clock_type, &amp;m_time_accumulator, std::move(task)));</div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno">  360</span>}</div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno">  361</span> </div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno">  362</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Time_accumulator&gt;</div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#ae0b5365734728eff8c995510a91b36be">  363</a></span><a class="code hl_typedef" href="namespaceflow_1_1util.html#aa0d10f5a906b3229f48979aa43e9ff7e">util::Scheduled_task_handle</a> <a class="code hl_function" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a79b1d2f2b5bf4fdf16e7701fe3bb44d1">Timed_concurrent_task_loop_impl&lt;Time_accumulator&gt;::schedule_from_now</a></div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno">  364</span>                              (<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceflow_1_1async.html#a024042c64b7dc544a7a5587afa4b1949">Op</a>&amp; op, <span class="keyword">const</span> <a class="code hl_typedef" href="namespaceflow.html#a48799f1263cdeedec125be51a3db2b79">Fine_duration</a>&amp; from_now, <a class="code hl_class" href="classflow_1_1Function.html">Scheduled_task</a>&amp;&amp; task)</div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno">  365</span>{</div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno">  366</span>  <span class="keywordflow">return</span> m_loop-&gt;schedule_from_now(op, from_now,</div>
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno">  367</span>                                   <a class="code hl_function" href="namespaceflow_1_1perf.html#a0dee22ec7bf250bbbf556a7e15c1f784">perf::timed_function</a>(m_clock_type, &amp;m_time_accumulator, std::move(task)));</div>
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno">  368</span>}</div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno">  369</span> </div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno">  370</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Time_accumulator&gt;</div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a7d6b084d36b2bd119d73486be13fcf99">  371</a></span><a class="code hl_typedef" href="namespaceflow_1_1util.html#aa0d10f5a906b3229f48979aa43e9ff7e">util::Scheduled_task_handle</a> <a class="code hl_function" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a2c3566acb42c14ce7fe31026a711a30b">Timed_concurrent_task_loop_impl&lt;Time_accumulator&gt;::schedule_at</a></div>
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno">  372</span>                              (<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceflow_1_1async.html#a024042c64b7dc544a7a5587afa4b1949">Op</a>&amp; op, <span class="keyword">const</span> <a class="code hl_typedef" href="namespaceflow.html#a9d9cc2eeb10d398cff5591d446b763b8">Fine_time_pt</a>&amp; at, <a class="code hl_class" href="classflow_1_1Function.html">Scheduled_task</a>&amp;&amp; task)</div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno">  373</span>{</div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno">  374</span>  <span class="keywordflow">return</span> m_loop-&gt;schedule_at(op, at,</div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno">  375</span>                             <a class="code hl_function" href="namespaceflow_1_1perf.html#a0dee22ec7bf250bbbf556a7e15c1f784">perf::timed_function</a>(m_clock_type, &amp;m_time_accumulator, std::move(task)));</div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno">  376</span>}</div>
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno">  377</span> </div>
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno">  378</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Time_accumulator&gt;</div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#ab5864fb0f46b84d5783ad194796c25f5">  379</a></span><a class="code hl_typedef" href="namespaceflow_1_1async.html#a968806f54b14c697fd76b3339a2bdbbf">Task_engine_ptr</a> <a class="code hl_function" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#ab5864fb0f46b84d5783ad194796c25f5">Timed_concurrent_task_loop_impl&lt;Time_accumulator&gt;::task_engine</a>()</div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno">  380</span>{</div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno">  381</span>  <span class="keywordflow">return</span> m_loop-&gt;task_engine();</div>
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno">  382</span>}</div>
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno">  383</span> </div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno">  384</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Time_accumulator&gt;</div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a45c91b87a9906781479e2387f2f93573">  385</a></span><a class="code hl_typedef" href="namespaceflow_1_1perf.html#a38e42ae0923eb23052e3a8a1e7956456">perf::Duration</a> <a class="code hl_function" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a45c91b87a9906781479e2387f2f93573">Timed_concurrent_task_loop_impl&lt;Time_accumulator&gt;::accumulated_time</a>()</div>
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno">  386</span>{</div>
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno">  387</span>  <span class="keywordflow">return</span> <a class="code hl_typedef" href="namespaceflow_1_1perf.html#a38e42ae0923eb23052e3a8a1e7956456">perf::Duration</a>(m_exhanger_func(&amp;m_time_accumulator));</div>
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno">  388</span>}</div>
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno">  389</span> </div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno">  390</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Time_accumulator&gt;</div>
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno">  391</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Handler&gt;</div>
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a9e915ee364537114a9e2f50574d960b7">  392</a></span><span class="keyword">auto</span> <a class="code hl_function" href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a9e915ee364537114a9e2f50574d960b7">Timed_concurrent_task_loop_impl&lt;Time_accumulator&gt;::asio_handler_timed</a>(Handler&amp;&amp; handler_moved)</div>
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno">  393</span>{</div>
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno">  394</span>  <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceflow_1_1perf.html#a7a3694bcd6e4bd506715d5931bc0c009">perf::timed_handler</a>(m_clock_type, &amp;m_time_accumulator, std::move(handler_moved));</div>
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno">  395</span>  <span class="comment">// Note that timed_handler() specifically promises to not &quot;lose&quot; any executor (e.g., strand) bound to `handler_moved`.</span></div>
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno">  396</span>}</div>
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno">  397</span> </div>
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno">  398</span>} <span class="comment">// namespace flow::async</span></div>
<div class="ttc" id="aasync__fwd_8hpp_html"><div class="ttname"><a href="async__fwd_8hpp.html">async_fwd.hpp</a></div></div>
<div class="ttc" id="aclassflow_1_1Function_html"><div class="ttname"><a href="classflow_1_1Function.html">flow::Function</a></div><div class="ttdef"><b>Definition:</b> <a href="common_8hpp_source.html#l00512">common.hpp:512</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Concurrent__task__loop_html"><div class="ttname"><a href="classflow_1_1async_1_1Concurrent__task__loop.html">flow::async::Concurrent_task_loop</a></div><div class="ttdoc">The core flow::async interface, providing an optionally multi-threaded thread pool onto which runnabl...</div><div class="ttdef"><b>Definition:</b> <a href="concurrent__task__loop_8hpp_source.html#l00322">concurrent_task_loop.hpp:324</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Concurrent__task__loop_html_aa164fb1fe1b3d7fce0de0174d77ea396"><div class="ttname"><a href="classflow_1_1async_1_1Concurrent__task__loop.html#aa164fb1fe1b3d7fce0de0174d77ea396">flow::async::Concurrent_task_loop::Thread_init_func</a></div><div class="ttdeci">Function&lt; void(size_t thread_idx)&gt; Thread_init_func</div><div class="ttdoc">Short-hand for the thread-initializer-function optional arg type to start().</div><div class="ttdef"><b>Definition:</b> <a href="concurrent__task__loop_8hpp_source.html#l00329">concurrent_task_loop.hpp:329</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Op__list_html"><div class="ttname"><a href="classflow_1_1async_1_1Op__list.html">flow::async::Op_list</a></div><div class="ttdoc">Simple, immutable vector-like sequence of N opaque async::Op objects, usually corresponding to N work...</div><div class="ttdef"><b>Definition:</b> <a href="op_8hpp_source.html#l00056">op.hpp:58</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Timed__concurrent__task__loop__impl_html"><div class="ttname"><a href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html">flow::async::Timed_concurrent_task_loop_impl</a></div><div class="ttdoc">Decorator of a Concurrent_task_loop with same or greater lifetime that accumulates time elapsed in an...</div><div class="ttdef"><b>Definition:</b> <a href="timed__concurrent__task__loop_8hpp_source.html#l00051">timed_concurrent_task_loop.hpp:52</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Timed__concurrent__task__loop__impl_html_a0b2bafdbd93df6beff37e10534487e23"><div class="ttname"><a href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a0b2bafdbd93df6beff37e10534487e23">flow::async::Timed_concurrent_task_loop_impl::m_loop</a></div><div class="ttdeci">Concurrent_task_loop *const m_loop</div><div class="ttdoc">See constructor.</div><div class="ttdef"><b>Definition:</b> <a href="timed__concurrent__task__loop_8hpp_source.html#l00230">timed_concurrent_task_loop.hpp:230</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Timed__concurrent__task__loop__impl_html_a1f4dacf3f29653acfcef44a6f3f9845a"><div class="ttname"><a href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a1f4dacf3f29653acfcef44a6f3f9845a">flow::async::Timed_concurrent_task_loop_impl::m_exhanger_func</a></div><div class="ttdeci">const Exchanger_func m_exhanger_func</div><div class="ttdoc">See constructor.</div><div class="ttdef"><b>Definition:</b> <a href="timed__concurrent__task__loop_8hpp_source.html#l00233">timed_concurrent_task_loop.hpp:233</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Timed__concurrent__task__loop__impl_html_a2138f93d5fd11407973a7b7b13ca7353"><div class="ttname"><a href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a2138f93d5fd11407973a7b7b13ca7353">flow::async::Timed_concurrent_task_loop_impl::n_threads</a></div><div class="ttdeci">size_t n_threads() const override</div><div class="ttdoc">Implements superclass API.</div><div class="ttdef"><b>Definition:</b> <a href="timed__concurrent__task__loop_8hpp_source.html#l00314">timed_concurrent_task_loop.hpp:314</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Timed__concurrent__task__loop__impl_html_a2296c02f66d6d49dcf8ed19cb3e68803"><div class="ttname"><a href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a2296c02f66d6d49dcf8ed19cb3e68803">flow::async::Timed_concurrent_task_loop_impl::m_clock_type</a></div><div class="ttdeci">const flow::perf::Clock_type m_clock_type</div><div class="ttdoc">See constructor.</div><div class="ttdef"><b>Definition:</b> <a href="timed__concurrent__task__loop_8hpp_source.html#l00227">timed_concurrent_task_loop.hpp:227</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Timed__concurrent__task__loop__impl_html_a2c3566acb42c14ce7fe31026a711a30b"><div class="ttname"><a href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a2c3566acb42c14ce7fe31026a711a30b">flow::async::Timed_concurrent_task_loop_impl::schedule_at</a></div><div class="ttdeci">util::Scheduled_task_handle schedule_at(const Fine_time_pt &amp;at, Scheduled_task &amp;&amp;task) override</div><div class="ttdoc">Implements superclass API.</div><div class="ttdef"><b>Definition:</b> <a href="timed__concurrent__task__loop_8hpp_source.html#l00355">timed_concurrent_task_loop.hpp:356</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Timed__concurrent__task__loop__impl_html_a3ac438177671657e14f0fce378bce445"><div class="ttname"><a href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a3ac438177671657e14f0fce378bce445">flow::async::Timed_concurrent_task_loop_impl::post</a></div><div class="ttdeci">void post(const Op &amp;op, Task &amp;&amp;task, Synchronicity synchronicity=Synchronicity::S_ASYNC) override</div><div class="ttdoc">Implements superclass API.</div><div class="ttdef"><b>Definition:</b> <a href="timed__concurrent__task__loop_8hpp_source.html#l00339">timed_concurrent_task_loop.hpp:339</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Timed__concurrent__task__loop__impl_html_a45c91b87a9906781479e2387f2f93573"><div class="ttname"><a href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a45c91b87a9906781479e2387f2f93573">flow::async::Timed_concurrent_task_loop_impl::accumulated_time</a></div><div class="ttdeci">perf::Duration accumulated_time()</div><div class="ttdoc">Returns the accumulated time spent on tasks this thread pool handles since its last invocation; and r...</div><div class="ttdef"><b>Definition:</b> <a href="timed__concurrent__task__loop_8hpp_source.html#l00385">timed_concurrent_task_loop.hpp:385</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Timed__concurrent__task__loop__impl_html_a55aa9c680221d64b44715256713a5bee"><div class="ttname"><a href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a55aa9c680221d64b44715256713a5bee">flow::async::Timed_concurrent_task_loop_impl::m_time_accumulator</a></div><div class="ttdeci">Time_accumulator m_time_accumulator</div><div class="ttdoc">Accumulates time ticks, of clock type m_clock_type, spent in tasks posted onto m_loop.</div><div class="ttdef"><b>Definition:</b> <a href="timed__concurrent__task__loop_8hpp_source.html#l00236">timed_concurrent_task_loop.hpp:236</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Timed__concurrent__task__loop__impl_html_a6659220efe57750c9d8cd8e185d3299a"><div class="ttname"><a href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a6659220efe57750c9d8cd8e185d3299a">flow::async::Timed_concurrent_task_loop_impl::start</a></div><div class="ttdeci">void start(Task &amp;&amp;init_task_or_empty=Task(), const Thread_init_func &amp;thread_init_func_or_empty=Thread_init_func()) override</div><div class="ttdoc">Implements superclass API.</div><div class="ttdef"><b>Definition:</b> <a href="timed__concurrent__task__loop_8hpp_source.html#l00301">timed_concurrent_task_loop.hpp:302</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Timed__concurrent__task__loop__impl_html_a79b1d2f2b5bf4fdf16e7701fe3bb44d1"><div class="ttname"><a href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a79b1d2f2b5bf4fdf16e7701fe3bb44d1">flow::async::Timed_concurrent_task_loop_impl::schedule_from_now</a></div><div class="ttdeci">util::Scheduled_task_handle schedule_from_now(const Fine_duration &amp;from_now, Scheduled_task &amp;&amp;task) override</div><div class="ttdoc">Implements superclass API.</div><div class="ttdef"><b>Definition:</b> <a href="timed__concurrent__task__loop_8hpp_source.html#l00347">timed_concurrent_task_loop.hpp:348</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Timed__concurrent__task__loop__impl_html_a7d6b084d36b2bd119d73486be13fcf99"><div class="ttname"><a href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a7d6b084d36b2bd119d73486be13fcf99">flow::async::Timed_concurrent_task_loop_impl::schedule_at</a></div><div class="ttdeci">util::Scheduled_task_handle schedule_at(const Op &amp;op, const Fine_time_pt &amp;at, Scheduled_task &amp;&amp;task) override</div><div class="ttdoc">See superclass API.</div><div class="ttdef"><b>Definition:</b> <a href="timed__concurrent__task__loop_8hpp_source.html#l00371">timed_concurrent_task_loop.hpp:372</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Timed__concurrent__task__loop__impl_html_a8dd2594499859628be0ed997b5ca4643"><div class="ttname"><a href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a8dd2594499859628be0ed997b5ca4643">flow::async::Timed_concurrent_task_loop_impl::create_op</a></div><div class="ttdeci">Op create_op() override</div><div class="ttdoc">Implements superclass API.</div><div class="ttdef"><b>Definition:</b> <a href="timed__concurrent__task__loop_8hpp_source.html#l00320">timed_concurrent_task_loop.hpp:320</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Timed__concurrent__task__loop__impl_html_a9c2676395574264b88a4c1f3b7b64b6e"><div class="ttname"><a href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a9c2676395574264b88a4c1f3b7b64b6e">flow::async::Timed_concurrent_task_loop_impl::per_thread_ops</a></div><div class="ttdeci">const Op_list &amp; per_thread_ops() override</div><div class="ttdoc">Implements superclass API.</div><div class="ttdef"><b>Definition:</b> <a href="timed__concurrent__task__loop_8hpp_source.html#l00326">timed_concurrent_task_loop.hpp:326</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Timed__concurrent__task__loop__impl_html_a9e915ee364537114a9e2f50574d960b7"><div class="ttname"><a href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#a9e915ee364537114a9e2f50574d960b7">flow::async::Timed_concurrent_task_loop_impl::asio_handler_timed</a></div><div class="ttdeci">auto asio_handler_timed(Handler &amp;&amp;handler_moved)</div><div class="ttdoc">Given a boost.asio completion handler handler for a boost.asio async_*() action on some boost....</div><div class="ttdef"><b>Definition:</b> <a href="timed__concurrent__task__loop_8hpp_source.html#l00392">timed_concurrent_task_loop.hpp:392</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Timed__concurrent__task__loop__impl_html_ab5864fb0f46b84d5783ad194796c25f5"><div class="ttname"><a href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#ab5864fb0f46b84d5783ad194796c25f5">flow::async::Timed_concurrent_task_loop_impl::task_engine</a></div><div class="ttdeci">Task_engine_ptr task_engine() override</div><div class="ttdoc">See superclass API.</div><div class="ttdef"><b>Definition:</b> <a href="timed__concurrent__task__loop_8hpp_source.html#l00379">timed_concurrent_task_loop.hpp:379</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Timed__concurrent__task__loop__impl_html_ad0ee24a26236098dfd67b68da120ff69"><div class="ttname"><a href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#ad0ee24a26236098dfd67b68da120ff69">flow::async::Timed_concurrent_task_loop_impl::stop</a></div><div class="ttdeci">void stop() override</div><div class="ttdoc">Implements superclass API.</div><div class="ttdef"><b>Definition:</b> <a href="timed__concurrent__task__loop_8hpp_source.html#l00308">timed_concurrent_task_loop.hpp:308</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Timed__concurrent__task__loop__impl_html_adb9a4a09e821aad135cfa1f493624630"><div class="ttname"><a href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#adb9a4a09e821aad135cfa1f493624630">flow::async::Timed_concurrent_task_loop_impl::post</a></div><div class="ttdeci">void post(Task &amp;&amp;task, Synchronicity synchronicity=Synchronicity::S_ASYNC) override</div><div class="ttdoc">Implements superclass API.</div><div class="ttdef"><b>Definition:</b> <a href="timed__concurrent__task__loop_8hpp_source.html#l00332">timed_concurrent_task_loop.hpp:332</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Timed__concurrent__task__loop__impl_html_ae0b5365734728eff8c995510a91b36be"><div class="ttname"><a href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#ae0b5365734728eff8c995510a91b36be">flow::async::Timed_concurrent_task_loop_impl::schedule_from_now</a></div><div class="ttdeci">util::Scheduled_task_handle schedule_from_now(const Op &amp;op, const Fine_duration &amp;from_now, Scheduled_task &amp;&amp;task) override</div><div class="ttdoc">Implements superclass API.</div><div class="ttdef"><b>Definition:</b> <a href="timed__concurrent__task__loop_8hpp_source.html#l00363">timed_concurrent_task_loop.hpp:364</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Timed__concurrent__task__loop__impl_html_aedbd4d34c2bdd56fdcf93ed43c714f70"><div class="ttname"><a href="classflow_1_1async_1_1Timed__concurrent__task__loop__impl.html#aedbd4d34c2bdd56fdcf93ed43c714f70">flow::async::Timed_concurrent_task_loop_impl::Timed_concurrent_task_loop_impl</a></div><div class="ttdeci">Timed_concurrent_task_loop_impl(Concurrent_task_loop *loop, perf::Clock_type clock_type, Exchanger_func &amp;&amp;exchanger_func_moved)</div><div class="ttdoc">Constructs a time-accumulating version of existing loop *loop.</div><div class="ttdef"><b>Definition:</b> <a href="timed__concurrent__task__loop_8hpp_source.html#l00290">timed_concurrent_task_loop.hpp:291</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Timed__concurrent__task__loop_html"><div class="ttname"><a href="classflow_1_1async_1_1Timed__concurrent__task__loop.html">flow::async::Timed_concurrent_task_loop</a></div><div class="ttdoc">Decorates a general – potentially multi-threaded – Concurrent_task_loop of any kind but with timing c...</div><div class="ttdef"><b>Definition:</b> <a href="timed__concurrent__task__loop_8hpp_source.html#l00260">timed_concurrent_task_loop.hpp:261</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Timed__concurrent__task__loop_html_a38f7effbd882c15178dc821306e8a0bc"><div class="ttname"><a href="classflow_1_1async_1_1Timed__concurrent__task__loop.html#a38f7effbd882c15178dc821306e8a0bc">flow::async::Timed_concurrent_task_loop::Timed_concurrent_task_loop</a></div><div class="ttdeci">Timed_concurrent_task_loop(Concurrent_task_loop *loop, perf::Clock_type clock_type=perf::Clock_type::S_CPU_THREAD_TOTAL_HI_RES)</div><div class="ttdoc">Constructs a time-accumulating version of existing loop *loop.</div><div class="ttdef"><b>Definition:</b> <a href="timed__concurrent__task__loop_8cpp_source.html#l00027">timed_concurrent_task_loop.cpp:27</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Timed__concurrent__task__loop_html_a979755c94c0f080fb40d23a61c1a0049"><div class="ttname"><a href="classflow_1_1async_1_1Timed__concurrent__task__loop.html#a979755c94c0f080fb40d23a61c1a0049">flow::async::Timed_concurrent_task_loop::Time_accumulator</a></div><div class="ttdeci">std::atomic&lt; perf::duration_rep_t &gt; Time_accumulator</div><div class="ttdoc">Convenience alias to our thread-safe tick accumulator type.</div><div class="ttdef"><b>Definition:</b> <a href="timed__concurrent__task__loop_8hpp_source.html#l00281">timed_concurrent_task_loop.hpp:281</a></div></div>
<div class="ttc" id="aconcurrent__task__loop_8hpp_html"><div class="ttname"><a href="concurrent__task__loop_8hpp.html">concurrent_task_loop.hpp</a></div></div>
<div class="ttc" id="anamespaceflow_1_1async_html"><div class="ttname"><a href="namespaceflow_1_1async.html">flow::async</a></div><div class="ttdoc">Flow module containing tools enabling multi-threaded event loops operating under the asynchronous-tas...</div><div class="ttdef"><b>Definition:</b> <a href="async__fwd_8hpp_source.html#l00074">async_fwd.hpp:75</a></div></div>
<div class="ttc" id="anamespaceflow_1_1async_html_a024042c64b7dc544a7a5587afa4b1949"><div class="ttname"><a href="namespaceflow_1_1async.html#a024042c64b7dc544a7a5587afa4b1949">flow::async::Op</a></div><div class="ttdeci">boost::any Op</div><div class="ttdoc">An object of this opaque type represents a collection of 1 or more async::Task, past or future,...</div><div class="ttdef"><b>Definition:</b> <a href="async__fwd_8hpp_source.html#l00153">async_fwd.hpp:153</a></div></div>
<div class="ttc" id="anamespaceflow_1_1async_html_a0a06794b16b72f2829ce3353557c8485"><div class="ttname"><a href="namespaceflow_1_1async.html#a0a06794b16b72f2829ce3353557c8485">flow::async::Synchronicity</a></div><div class="ttdeci">Synchronicity</div><div class="ttdoc">Enumeration indicating the manner in which asio_exec_ctx_post(), and various boost....</div><div class="ttdef"><b>Definition:</b> <a href="async__fwd_8hpp_source.html#l00222">async_fwd.hpp:223</a></div></div>
<div class="ttc" id="anamespaceflow_1_1async_html_a0a06794b16b72f2829ce3353557c8485a4d7a5700444c0570af37b1f9bcc6eb1f"><div class="ttname"><a href="namespaceflow_1_1async.html#a0a06794b16b72f2829ce3353557c8485a4d7a5700444c0570af37b1f9bcc6eb1f">flow::async::Synchronicity::S_ASYNC</a></div><div class="ttdeci">@ S_ASYNC</div><div class="ttdoc">Simply post the given task to execute asynchronously in some execution context – as soon as the conte...</div></div>
<div class="ttc" id="anamespaceflow_1_1async_html_a968806f54b14c697fd76b3339a2bdbbf"><div class="ttname"><a href="namespaceflow_1_1async.html#a968806f54b14c697fd76b3339a2bdbbf">flow::async::Task_engine_ptr</a></div><div class="ttdeci">boost::shared_ptr&lt; util::Task_engine &gt; Task_engine_ptr</div><div class="ttdoc">Short-hand for reference-counting pointer to a mutable util::Task_engine (a/k/a boost::asio::io_conte...</div><div class="ttdef"><b>Definition:</b> <a href="async__fwd_8hpp_source.html#l00198">async_fwd.hpp:198</a></div></div>
<div class="ttc" id="anamespaceflow_1_1async_html_af35fb65bdea1a3a92929ec2c4a6a6b72"><div class="ttname"><a href="namespaceflow_1_1async.html#af35fb65bdea1a3a92929ec2c4a6a6b72">flow::async::Task</a></div><div class="ttdeci">Function&lt; void()&gt; Task</div><div class="ttdoc">Short-hand for a task that can be posted for execution by a Concurrent_task_loop or flow::util::Task_...</div><div class="ttdef"><b>Definition:</b> <a href="async__fwd_8hpp_source.html#l00096">async_fwd.hpp:96</a></div></div>
<div class="ttc" id="anamespaceflow_1_1perf_html_a0dee22ec7bf250bbbf556a7e15c1f784"><div class="ttname"><a href="namespaceflow_1_1perf.html#a0dee22ec7bf250bbbf556a7e15c1f784">flow::perf::timed_function</a></div><div class="ttdeci">auto timed_function(Clock_type clock_type, Accumulator *accumulator, Func &amp;&amp;function)</div><div class="ttdoc">Constructs a closure that times and executes void-returning function(), adding the elapsed time with ...</div><div class="ttdef"><b>Definition:</b> <a href="timed__function_8hpp_source.html#l00032">timed_function.hpp:32</a></div></div>
<div class="ttc" id="anamespaceflow_1_1perf_html_a38e42ae0923eb23052e3a8a1e7956456"><div class="ttname"><a href="namespaceflow_1_1perf.html#a38e42ae0923eb23052e3a8a1e7956456">flow::perf::Duration</a></div><div class="ttdeci">Fine_duration Duration</div><div class="ttdoc">Short-hand for a high-precision boost.chrono duration, formally equivalent to flow::Fine_duration.</div><div class="ttdef"><b>Definition:</b> <a href="clock__type__fwd_8hpp_source.html#l00039">clock_type_fwd.hpp:39</a></div></div>
<div class="ttc" id="anamespaceflow_1_1perf_html_a75b06c669e720c60621f3c68c3d34408"><div class="ttname"><a href="namespaceflow_1_1perf.html#a75b06c669e720c60621f3c68c3d34408">flow::perf::duration_rep_t</a></div><div class="ttdeci">Duration::rep duration_rep_t</div><div class="ttdoc">The raw type used in Duration to store its clock ticks.</div><div class="ttdef"><b>Definition:</b> <a href="clock__type__fwd_8hpp_source.html#l00050">clock_type_fwd.hpp:50</a></div></div>
<div class="ttc" id="anamespaceflow_1_1perf_html_a7a3694bcd6e4bd506715d5931bc0c009"><div class="ttname"><a href="namespaceflow_1_1perf.html#a7a3694bcd6e4bd506715d5931bc0c009">flow::perf::timed_handler</a></div><div class="ttdeci">auto timed_handler(Clock_type clock_type, Accumulator *accumulator, Handler &amp;&amp;handler)</div><div class="ttdoc">Identical to timed_function() but suitable for boost.asio-targeted handler functions.</div><div class="ttdef"><b>Definition:</b> <a href="timed__handler_8hpp_source.html#l00033">timed_handler.hpp:33</a></div></div>
<div class="ttc" id="anamespaceflow_1_1perf_html_ad61fb186191e4bb824d14601d11a2eb0"><div class="ttname"><a href="namespaceflow_1_1perf.html#ad61fb186191e4bb824d14601d11a2eb0">flow::perf::Clock_type</a></div><div class="ttdeci">Clock_type</div><div class="ttdoc">Clock types supported by flow::perf module facilities, perf::Checkpointing_timer in particular.</div><div class="ttdef"><b>Definition:</b> <a href="clock__type__fwd_8hpp_source.html#l00066">clock_type_fwd.hpp:67</a></div></div>
<div class="ttc" id="anamespaceflow_1_1perf_html_ad61fb186191e4bb824d14601d11a2eb0a93867c73fb6ef991268c0052153344c2"><div class="ttname"><a href="namespaceflow_1_1perf.html#ad61fb186191e4bb824d14601d11a2eb0a93867c73fb6ef991268c0052153344c2">flow::perf::Clock_type::S_CPU_THREAD_TOTAL_HI_RES</a></div><div class="ttdeci">@ S_CPU_THREAD_TOTAL_HI_RES</div><div class="ttdoc">Similar to S_CPU_TOTAL_HI_RES but applied to the calling thread as opposed to entire process.</div></div>
<div class="ttc" id="anamespaceflow_1_1util_html_aa0d10f5a906b3229f48979aa43e9ff7e"><div class="ttname"><a href="namespaceflow_1_1util.html#aa0d10f5a906b3229f48979aa43e9ff7e">flow::util::Scheduled_task_handle</a></div><div class="ttdeci">boost::shared_ptr&lt; Scheduled_task_handle_state &gt; Scheduled_task_handle</div><div class="ttdoc">Black-box type that represents a handle to a scheduled task as scheduled by schedule_task_at() or sch...</div><div class="ttdef"><b>Definition:</b> <a href="sched__task__fwd_8hpp_source.html#l00045">sched_task_fwd.hpp:45</a></div></div>
<div class="ttc" id="anamespaceflow_html_a48799f1263cdeedec125be51a3db2b79"><div class="ttname"><a href="namespaceflow.html#a48799f1263cdeedec125be51a3db2b79">flow::Fine_duration</a></div><div class="ttdeci">Fine_clock::duration Fine_duration</div><div class="ttdoc">A high-res time duration as computed from two Fine_time_pts.</div><div class="ttdef"><b>Definition:</b> <a href="common_8hpp_source.html#l00416">common.hpp:416</a></div></div>
<div class="ttc" id="anamespaceflow_html_a9d9cc2eeb10d398cff5591d446b763b8"><div class="ttname"><a href="namespaceflow.html#a9d9cc2eeb10d398cff5591d446b763b8">flow::Fine_time_pt</a></div><div class="ttdeci">Fine_clock::time_point Fine_time_pt</div><div class="ttdoc">A high-res time point as returned by Fine_clock::now() and suitable for precise time math in general.</div><div class="ttdef"><b>Definition:</b> <a href="common_8hpp_source.html#l00413">common.hpp:413</a></div></div>
<div class="ttc" id="atimed__handler_8hpp_html"><div class="ttname"><a href="timed__handler_8hpp.html">timed_handler.hpp</a></div></div>
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